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help / color / mirror / Atom feedFrom: Dave Page <[email protected]>
To: Aditya Toshniwal <[email protected]>
Cc: Joao De Almeida Pereira <[email protected]>
Cc: pgadmin-hackers <[email protected]>
Subject: Re: [pgAdmin4][RM#3289] Can't query SQL_ASCII database.
Date: Thu, 21 Jun 2018 22:07:02 +0100
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<CAM9w-_=6V+6q3JUktmfR_7fw3uUZvj4fMme=uEH_38S3uKr5=g@mail.gmail.com>
Thanks, applied.
On Thu, Jun 21, 2018 at 4:51 PM, Aditya Toshniwal <
[email protected]> wrote:
> Hi Hackers,
>
> PFA patch to make SQL ASCII related changes compatible with Python 2.6.
> Dictionary comprehension is not supported in Python 2.6.
>
> On Thu, Jun 21, 2018 at 6:27 PM, Dave Page <[email protected]> wrote:
>
>> Thanks - patch applied!
>>
>> On Wed, Jun 20, 2018 at 3:17 PM, Aditya Toshniwal <
>> [email protected]> wrote:
>>
>>> Hi Dave,
>>>
>>> Attached is the updated patch. (Playing with encodings is not at all fun
>>> :( )
>>>
>>> On Tue, Jun 19, 2018 at 2:23 AM, Dave Page <[email protected]> wrote:
>>>
>>>> Hi
>>>>
>>>> On Mon, Jun 18, 2018 at 2:14 PM, Aditya Toshniwal <
>>>> [email protected]> wrote:
>>>>
>>>>> Hi Hackers,
>>>>>
>>>>> Attached is the updated patch which includes the fix for Download CSV
>>>>> fail in SQL_ASCII database, which is RM3250
>>>>> <https://redmine.postgresql.org/issues/3250;
>>>>> This should fix RM3289 and RM3250. As they interrelated, sending the
>>>>> combined patch.
>>>>> Kindly review.
>>>>>
>>>>
>>>> This is definitely looking better - both view and save now work as
>>>> expected. However, using the test data the I posted upthread, if I try to
>>>> edit a value (in this case by adding a couple of chars to the end of the
>>>> data in row 2) I get:
>>>>
>>> It should fix the error.
>>>
>>>>
>>>> 2018-06-18 16:41:40,895: SQL pgadmin: Execute (void) for server #1 -
>>>> DB:ascii (Query-id: 3093186):
>>>> UPDATE public.ascii SET
>>>> data = %(data)s::text WHERE
>>>> id = '2';
>>>> 2018-06-18 16:41:41,027: INFO werkzeug: 127.0.0.1 - - [18/Jun/2018
>>>> 16:41:41] "POST /sqleditor/save/2805058 HTTP/1.1" 500 -
>>>> 2018-06-18 16:41:41,042: ERROR werkzeug: Error on request:
>>>> Traceback (most recent call last):
>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/werkzeug/serving.py",
>>>> line 270, in run_wsgi
>>>> execute(self.server.app)
>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/werkzeug/serving.py",
>>>> line 258, in execute
>>>> application_iter = app(environ, start_response)
>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/flask/app.py",
>>>> line 1997, in __call__
>>>> return self.wsgi_app(environ, start_response)
>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/flask/app.py",
>>>> line 1985, in wsgi_app
>>>> response = self.handle_exception(e)
>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/flask/app.py",
>>>> line 1540, in handle_exception
>>>> reraise(exc_type, exc_value, tb)
>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/flask/app.py",
>>>> line 1982, in wsgi_app
>>>> response = self.full_dispatch_request()
>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/flask/app.py",
>>>> line 1614, in full_dispatch_request
>>>> rv = self.handle_user_exception(e)
>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/flask/app.py",
>>>> line 1517, in handle_user_exception
>>>> reraise(exc_type, exc_value, tb)
>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/flask/app.py",
>>>> line 1612, in full_dispatch_request
>>>> rv = self.dispatch_request()
>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/flask/app.py",
>>>> line 1598, in dispatch_request
>>>> return self.view_functions[rule.endpoint](**req.view_args)
>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/flask_login.py",
>>>> line 792, in decorated_view
>>>> return func(*args, **kwargs)
>>>> File "/Users/dpage/git/pgadmin4/web/pgadmin/tools/sqleditor/__init__.py",
>>>> line 776, in save
>>>> default_conn)
>>>> File "/Users/dpage/git/pgadmin4/web/pgadmin/tools/sqleditor/command.py",
>>>> line 829, in save
>>>> item['sql'], item['data'])
>>>> File "/Users/dpage/git/pgadmin4/web/pgadmin/utils/driver/psycopg2/connection.py",
>>>> line 975, in execute_void
>>>> self.__internal_blocking_execute(cur, query, params)
>>>> File "/Users/dpage/git/pgadmin4/web/pgadmin/utils/driver/psycopg2/connection.py",
>>>> line 629, in __internal_blocking_execute
>>>> cur.execute(query, params)
>>>> File "/Users/dpage/git/pgadmin4/web/pgadmin/utils/driver/psycopg2/cursor.py",
>>>> line 176, in execute
>>>> return _cursor.execute(self, query, params)
>>>> UnicodeEncodeError: 'ascii' codec can't encode characters in position
>>>> 19-21: ordinal not in range(128)
>>>>
>>>>
>>>>>
>>>>> On Fri, Jun 15, 2018 at 2:33 PM, Aditya Toshniwal <
>>>>> [email protected]> wrote:
>>>>>
>>>>>> Hi Dave,
>>>>>>
>>>>>> On Fri, Jun 15, 2018 at 2:08 PM, Dave Page <[email protected]> wrote:
>>>>>>
>>>>>>> Hi
>>>>>>>
>>>>>>> On Thu, Jun 14, 2018 at 7:05 AM, Aditya Toshniwal <
>>>>>>> [email protected]> wrote:
>>>>>>>
>>>>>>>> I am sorry I missed the attachment. :(
>>>>>>>> PFA.
>>>>>>>>
>>>>>>>
>>>>>>> It looks like the encoding names are getting munged somewhere. I see
>>>>>>> you've accounted for that to some degree in connection.py (you have both
>>>>>>> SQL_ASCII/MULE_INTERNAL and SQLASCII/MULEINTERNAL), however it doesn't seem
>>>>>>> to be enough as I'm getting the following error when trying to download CSV
>>>>>>> from the query tool. Can we ensure that conn.encoding contains an un-munged
>>>>>>> value at all times, or is that coming from psycopg2?
>>>>>>>
>>>>>> That is done by pyscopg2 and conn.encoding is a psycopg2 connection
>>>>>> property.
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> 2018-06-15 09:32:28,799: INFO werkzeug: 127.0.0.1 - - [15/Jun/2018
>>>>>>> 09:32:28] "GET /sqleditor/query_tool/download
>>>>>>> /2732923?query=SELECT%20*%20FROM%20public.sql_ascii%0AORDER%
>>>>>>> 20BY%20id%20ASC%20&filename=sql_ascii.csv HTTP/1.1" 500 -
>>>>>>> 2018-06-15 09:32:28,801: ERROR werkzeug: Error on request:
>>>>>>> Traceback (most recent call last):
>>>>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/werkzeug/serving.py",
>>>>>>> line 270, in run_wsgi
>>>>>>> execute(self.server.app)
>>>>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/werkzeug/serving.py",
>>>>>>> line 260, in execute
>>>>>>> for data in application_iter:
>>>>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/werkzeug/wsgi.py",
>>>>>>> line 870, in __next__
>>>>>>> return self._next()
>>>>>>> File "/Users/dpage/.virtualenvs/pgadmin4/lib/python2.7/site-packages/werkzeug/wrappers.py",
>>>>>>> line 82, in _iter_encoded
>>>>>>> for item in iterable:
>>>>>>> File "/Users/dpage/git/pgadmin4/web/pgadmin/utils/driver/psycopg2/connection.py",
>>>>>>> line 752, in gen
>>>>>>> column_name = column_name.decode(conn_encoding)
>>>>>>> LookupError: unknown encoding: SQLASCII
>>>>>>>
>>>>>>
>>>>>> This is because there is code bug here. Below is code used to decode
>>>>>> a column name. Connection encoding and python encoding are two different
>>>>>> things. Python does not know what SQLASCII is. This will work with UTF-8
>>>>>> because python has decoder with same name. I tried to download CSV with the
>>>>>> original code without changes and it fails there too. I will fix this and
>>>>>> will send the updated patch. I should have checked this.
>>>>>> conn_encoding = cur.connection.encoding
>>>>>> column_name = column_name.decode(conn_encoding)
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Dave Page
>>>>>>> Blog: http://pgsnake.blogspot.com
>>>>>>> Twitter: @pgsnake
>>>>>>>
>>>>>>> EnterpriseDB UK: http://www.enterprisedb.com
>>>>>>> The Enterprise PostgreSQL Company
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Thanks and Regards,
>>>>>> Aditya Toshniwal
>>>>>> Software Engineer | EnterpriseDB Software Solutions | Pune
>>>>>> "Don't Complain about Heat, Plant a tree"
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Thanks and Regards,
>>>>> Aditya Toshniwal
>>>>> Software Engineer | EnterpriseDB Software Solutions | Pune
>>>>> "Don't Complain about Heat, Plant a tree"
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Dave Page
>>>> Blog: http://pgsnake.blogspot.com
>>>> Twitter: @pgsnake
>>>>
>>>> EnterpriseDB UK: http://www.enterprisedb.com
>>>> The Enterprise PostgreSQL Company
>>>>
>>>
>>>
>>>
>>> --
>>> Thanks and Regards,
>>> Aditya Toshniwal
>>> Software Engineer | EnterpriseDB Software Solutions | Pune
>>> "Don't Complain about Heat, Plant a tree"
>>>
>>
>>
>>
>> --
>> Dave Page
>> Blog: http://pgsnake.blogspot.com
>> Twitter: @pgsnake
>>
>> EnterpriseDB UK: http://www.enterprisedb.com
>> The Enterprise PostgreSQL Company
>>
>
>
>
> --
> Thanks and Regards,
> Aditya Toshniwal
> Software Engineer | EnterpriseDB Software Solutions | Pune
> "Don't Complain about Heat, Plant a tree"
>
--
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake
EnterpriseDB UK: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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Subject: Re: [pgAdmin4][RM#3289] Can't query SQL_ASCII database.
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